WE ARE OPEN FOR BUSINESS! *** Rich Distributing uses only PURE Opti-MSM in our products. Opti-MSM is MADE IN THE U.S.A., 4 times distilled, and the cleanest and purest MSM in the world! ***

What is MSM? (Link to short youtube video)

https://www.youtube.com/watch?v=xtjxvEXKV9I